Yes. But I only take deposits
this post was submitted on 02 Jun 2026
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Some say OP's mom is the original ATM machine
Generally, the term “open source” refers to software. Are you asking about the software that controls ATMs, or the physical machine?
Either way, the answer is probably no, but the reason will differ depending on what your question is.
I'm referring to the software which operates the machine.
Likely running a Linux kernel
Plenty of windows XP and even Windows CE out there.
Somebody is up to something.
The more of this reality I live in, the more I shmpathise with "criminals". We're tired of being fucked. Im at the point I don't even trust a cops word without video evidence.
I think there're a few crypto based ones out there from when people were trying to make bitcoin in shops a thing, no idea if they're even still maintained.
If you're talking about a traditional ATM that hooks into a specific bank or interbank network, you're not going to find a complete system, because the banks basically only want machines they (or partnered banks) own talking to their systems.
Depending what you're interested in though, Linux based OSes (standard enterprise RHEL and the like) seem to be becoming increasingly used, but there's still probably a big majority running some form of windows (or funnily enough OS/2). And a quick Google has shown me the industry has seemingly actually worked out an SDK for talking to the ATM hardware that's catching on, XFS4IoT. However the software written by the bank to implement that SDK and actually talk to the banking network is (and basically always will be) proprietary software.
Okay, so the ATM is basically the bank's own system.
It could even be a conglomerate related to finance ?
Yeah if it's not owned by a bank, it will be owned by an institution that runs (or otherwise has access to) a proprietary interbank network. In most countries consumer financial services are super regulated legally, so everything gets locked down
It's not the regulations, it's the banks. They're super paranoid, everything has to be proprietary. And at the same time their backends are all ancient and seriously decrepit. Which has to be kept secret and airgapped from the public.
I'd honestly trust an ancient decrepit system over a modern one, these days.
-- Frost